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June Weather in Lake Forest, United States

Last updated: June 24, 2025

In June, the average temperature in Lake Forest, United States hovers around 16°C (62°F), with a minimum of 8°C (47°F) and a maximum of 25°C (78°F). Expect about 105 mm (4.1 in) of precipitation spread over 11 days, contributing to an average humidity level of 80%.

June Temperature in Lake Forest

In June in Lake Forest, the average temperature is 16°C (62°F). The maximum can reach 25°C (78°F), and the minimum can be as low as 8°C (47°F). It's a great time to explore, as the mild temperatures make for comfortable outdoor activities.

June Weather in Lake Forest: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Lake Forest, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Forest, June typically has an average temperature of 16°C (62°F), with highs reaching up to 25°C (78°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec282835415062707267554034
Data source: Temperature data for Lake Forest generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Lake Forest

In Lake Forest in June, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

June Precipitation Trends in Lake Forest

The chart displays monthly precipitation patterns in Lake Forest, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Lake Forest, June typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8585901251711056970851617775
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Lake Forest

In Lake Forest in June humidity is 80%. With an average temperature of 16°C (62°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable as the air hangs heavy, necessitating frequent hydration and light clothing to stay cool and refreshed.

June Average Humidity in Lake Forest

This chart illustrates the average monthly humidity levels in Lake Forest, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Lake Forest is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Lake Forest

In Lake Forest in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Lake Forest.

Maximum UV Index Levels in Lake Forest for June

The chart shows the monthly maximum UV Index (UVI) for Lake Forest in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Lake Forest typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Lake Forest June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How June Weather in Lake Forest Compares to Other Months

Weather in Lake Forest varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Lake Forest, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lake Forest, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)85 mm (3.3 inches)85%low
February Weather-2°C (29°F)85 mm (3.3 inches)85%moderate
March Weather2°C (36°F)90 mm (3.6 inches)85%high
April Weather5°C (41°F)125 mm (4.9 inches)85%very high
May Weather10°C (50°F)171 mm (6.7 inches)78%very high
June Weather16°C (62°F)105 mm (4.1 inches)80%very high
July Weather21°C (71°F)69 mm (2.7 inches)78%very high
August Weather22°C (72°F)70 mm (2.8 inches)76%very high
September Weather19°C (67°F)85 mm (3.4 inches)79%very high
October Weather13°C (55°F)161 mm (6.3 inches)83%moderate
November Weather5°C (41°F)77 mm (3.0 inches)88%moderate
December Weather1°C (35°F)75 mm (2.9 inches)81%low

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